-# This file lets you set your block device parameters for better performance
-# See blockdev (8) for details.
+# This file lets you set your block device parameters for better performance.
+# If device name contains dash (-), then it's translated to underscore (_) here.
+# You may also use device names from /dev/mapper.
+#
+# See blockdev(8) for details of blockdev arguments.
-BLOCKDEV_hda=
+#BLOCKDEV_hda=
#BLOCKDEV_hdb="--setra 4096"
-BLOCKDEV_hdb=
-BLOCKDEV_hdc=
-BLOCKDEV_hdd=
+#BLOCKDEV_hdb=
+#BLOCKDEV_hdc=
+#BLOCKDEV_hdd=
+#BLOCKDEV_lvm_rootfs=
+#BLOCKDEV_dm_0=